Xerographic reproducing apparatus



Aug. 6, 1963 RH. ElcHoRN |-1'AL XEROGRAPHIC REPRODUCING APPARATUS 2'? Sheets-Sheet 1 med nec. za, 1961 INVENTOR. ROGER H. EICHORN RICHARD W. MORRILL BY KARL A. NORTHRUP Roel-:R ysaonue any M Arron/vir l Aug. 6, 1963 R. H. ElcHoRN ETAL 3,099,943

XEROGRAFHIC REPRODUCING APPARATUS med nec. 28,' 1961 27 sheets-sheet 2 INVENToR.

ROGER H. ElcHoRN RICHARD w. Monmu. BY KARL A. NoRTHRuP ROBER ySBORNE fly M A TTORNEY AU8- 6,1953 R. H. ElcHoRN ETAL 3,099,943

XEROGRAPHIC REPRODUCING APPARATUS Filed Dec. 28, 1961 27 Sheets-Sheet 3 ROGER RICHARD W. MORRILI..

BY KARL A. NORTHRUP ROBER ySBORNE o E O im o vm wm C. 3v o Nm Q ww N5-@ S Sv v @@e Erw Nm. E

Aug. 6, 1963 R. H. ElcHoRN ETAL. 3,099,943

XEROGRAPHIC REPRODUCING APPARATUS Filed Dec.` 28, 1961- 27 Sheets-Sheet 4 SH/l L F/G. 4 Lw lINVENToIL ROGER H. ElcHoRN RICHARD W. MORRILL BY KARL A. N H

GRT RUP ROBER ySBORNE ATTORNV Aug. 6, 1963 R. H. EICHORN ETAL v XEROGRAPHIC REPRODUCING APPARATUS 27 Sheets-Sheet 5 Filed Dec. 28, 1961 INVENTOR.

.m NIU R RRRR 0 oRHm r HoTs r mmm A :WNE H D RRAMf mm l ocAo RNK Aug. 6, 1963 Fn'ed Dec. 28. 1961 R. H. EICHORN ETAL XEROGRAPHIC REPRODUCING APPARATUS 27 Sheets-Sheet 6 INVENTOR. ROGER H. ElcHoRN lRICHARD w. Monmu.

BY KARL A. NoRTHRuP Rosen yssonus uur# Arron/v51 6, 1963 R. H. ElcHoRN ETAL 3,099,943

XEROGRAPHIC REPRODUCING APPARATUS Filed Dec. 28. 1961 A27' Sheets-Sheet f7 INVENTOR. ROGER H. EICHORN RICHARD w. MORRILL BY KARL A. NORTHRUP Aug. 6, 1963 R. H. ElcHoRN ETAL xERoGRAPHIc REPRODUCING APPARATUS Filed Dec. 28, 1961 27 Sheets-Sheet 8 L E Nmwu .w R RRRR N OORHw m MHOTS T V m .,wNE HoA....0./ RR R mm u, OCAO RNK ,Au ,6, 1963 R. H. Excl-:ORN ETAL 3,099,943

XEROGRAPHIC REPRODUCING APPARATUS Filed Dec. `251s, 1961 zvshaets-sneet s INVENTUR.

ROGER H. EICHORN RICHARD W. MORRILL BY KARL A. IORTHRUP ROBER jSBORNE way M AUS 5, 1953 R. H. ElcHoRN ETAL XEROGRAPHIC REPRQDUCING APPARATUS 27 Sheets-Sheet 10 Filed Dec. 28, 1961 INVENTOR.

R /fw 4. v. LE .t NmnUrN M RRRR 0 ORHM T HOTS r mum A FWNF. H D mmm. GHRB u, OCAO RNK Aug. 6,1963 f Filed Dec.

27 Sheets-Sheet 1l .L E E ...Elk mORHm w am? WMWANVF.

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www 1 MHK w BSR Aug 5 1963 R. H. ElcHoRN ETAL 3,099,943

XEROGRAPHIC REPRODUCING APPARATUS F'iled Dec. 28, 1961 27 Sheets-Sheet 12 INVENTOR.

ROGER H. EICHORN RICHARD W. MORRILL BY KARL A. NORTHRUP ROBER VSBORNE 4W Arron/ver Aug 5, 1953 R. H. ElcHoRN ETAL 3,099,943

xERoGRAPHIc REPRODUCING APPARATUS Filed Dec. 28, 1961 27 Sheets-Sheet 13 l0 l l2 IIT q -25/ 25avd -259 INVENTOR. RQGER H. EICHORN RICHARD w. MORRILL BY KARL A. NORTHRUP A T rok/ver All@ 6, 1963 l R. H. ElcHoRN ETAL. 3,099,943

l XEROGRAPHIC REPRODUCING APPARATUS Filed Dec.' 28. 1961 27 Sheets-Sheet 14 FIG. 2/

- IN VEN TOR.

Roc-.En H. ElcHoRN RICHARD w. MoRRlu. BY KARL A. NoRTHRuP ROBER ySBORNE uwv/ ATTORNEY Aug. 6, 1'963 R. H. ElcHoRN ETAL 3,099,943

XEROGRAPYHIC REPRODUCING APPARATUS File'd Dec. 28, 1961 27 Sheets-Sheet 15 INVENTOR.

ROGER H. EIcHoRN RICHARD w. MoRRlLL BY KARL A. NORTHRUP saoRNE ROBEy/y nf Arron/vn'k Aug. 6, 1963 R. H. ElcHoRN ETAL XEROGRAPHIC REPRODUCING APPARATUS 27 Sheets-Sheet 16 Filed Dec. 28,` 1961 @ON w `NN DON NNN www n www gw INVENTOR. ROGER H. EICHORN RICHARD W. MORRILL,

BY KARL A. NoRTHRuP Rosen F. sBoRNe: y l M ATTORNEY Aug. 6, 1963 Filed Dec. 28, 1961 R.YH. EICHORN ETAL vXEIROGRAFHIC REPRODUCING APPARATUS 27 Sheets-Sheet 17 1N V EN TOR.

ROGER H. ElcHoRN RICHARD w. MORRILL BY RARI. A. N

ORTHRUP ROBER ySBORNE ATTORNEY R. H. EICHORN ETAL XEROGRAPHIC REPRODUCING APPARATUS Aug. s, 1963 Filed Dec. 2a, 1961 27 Sheets-Shea?l 18 INVENTOR. ROGER H. EICHORN RICHARD W. MORRILL BY KARL A. NORTHRUP ROBER F SBORNE y nd/ ATTORNEY R. H. EICHORN ETAL XEROGRAPHIC REPRODUCING APPARATUS Aug. 6, 1963 27 Sheets-Sheet 19 Filed D60. 28. 1961 INVENTOR.

ROGER H. EICHORN RICHARD W. MQRRILL Y KARL A. NoRTHRuP ROBER F. SBORNE 3%....

g- 6 1963 R. H. ElcHoRN ETAL 3,099,943

y XEROGRAPHIC REPRODUCING APPARATUS Filed nec. 2s, 1951 27 sheets-sheet 2o INVENTOR. ROGER H. EICHORN 9 BY .NoRTHRuP F/G- 37 'FSSE'RA F. Seoane ATTORNEY 

1. IN A XEROGRAPHIC REPRODUCING APPARATUS, A XEROGRAPHIC DRUM JOURNALED FOR ROTATION, A COPY DRUM JOURNALED FOR ROTATION, SHEET GRIPPER MEANS CARRIED BY SAID COPY DRUM, SAID SHEET GRIPPER MEANS BEING ADAPTED TO COOPERATE WITH SAID COPY DRUM TO ENGAGE A DOCUMENT TO BE REPRODUCED, A PROJECTION MECHANISM POSITIONED ADJACENT SAID COPY DRUM TO PROJECT A RADIATION IMAGE OF A DOCUMENT, AS IT IS CARRIED BY SAID COPY DRUM, ONTO SAID XEROGRAPHIC DRUM TO FORM AN ELECTROSTATIC LATENT IMAGE THEREON, AN INTERPOSER MEANS POSITIONED ADJACENT SAID COPY DRUM FOR MOVEMENT INTO A FIRST POSITION TO EFFECT OPERATION OF SAID SHEET GRIPPER MEANS AND TO A SECOND POSITION IN WHICH IT IS IN AN INOPERATIVE RELATION TO SAID SHEET GRIPPER MEANS, SHEET CONVEYOR MEANS POSITIONED TO ADVANCE SHEET SUPPORT MATERIAL TO SAID XEROGRAPHIC DRUM, SHEET FEED MEANS FOR SERIATIM FEEDING OF SHEET SUPPORT MATERIAL TO SAID SHEET CONVEYOR MEANS, DRIVE MEANS CONNECTED TO SAID XEROGRAPHIC DRUM, SAID COPY DRUM AND SAID SHEET CONVEYOR MEANS TO EFFECT SYNCHRONIZED MOVEMENT OF SAID XEROGRAPHIC DRUM, SAID COPY DRUM AND SAID SHEET CONVEYOR MEANS, SAID XEROGRAPHIC DRUM BEING ROTATED AT LEAST ONE REVOLUTION TO FIRST EFFECT A REPRODUCING CYCLE AND THEN ROTATED AT LEAST A SECOND REVOLUTION TO EFFECT A TIMING OUT CYCLE, 